EPEVER MPPT Solar Charge Controller 30A 12V 24V Auto Max PV 100V Tracer3210AN $75.99 Brand Epever Type Solar Charge Controller Current Type DC System Configuration Off-Grid Solar Technology MPPT Maximum Input Power 390W/12V; 780W/24V Power Source Solar Maximum Input Voltage Max PV 100V Voltage 12V/24V Current Rating 30A Model Tracer3210AN Wattage 390W/12V; 780W/24V condition Used 1. normal function, slightly flawed appearance, 95% new2. because it is an electronic product, can not be returned, the product has been tested, running normally.3. we provide technical support